special price intercom door phone KNZD-43 Door Intercom System Elevator Telephone

Vandal Resistant voice Entry Phone SIP doorphone KNZD-43 IP door intercom

introduction:



The IP Intercom/door phone will be designed to work on apartment, hospital, school, metro…Housed



in robust metal body, vandal resistant and tamper-resistant. FDSP ensure voice loud and clear. Good



looking, durable, easy to install, comfortable buttons, and low power consumption.





Support G.711,G.729, etc. Codec voice intercom



Support SIP 2.0(RFC3261) and related RFC protocol



Unlock function (swipe or communication)



Visitor leave message Software upgrading on line or status Basic Function WEB remote management of Terminal malfunction



Calling indoor extension for two-way conversation



Support SIP 2.0(RFC3261) and related RFC protocol

Koontech We are factory specializing in the manufacture and export of telephone, especially in industrial emergency telephone.SIP Phone. ours products waterfroof, Vandal resistant with top quality. we mainly devote to the R&D,manufacture and sales of the Telephone remote management system of tourists emergency help phone,special telephone terminal and RFID. The production covered by Analogue / Fiber optic system and wireless GSM telephone system.